Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	30.656248	392.7082249999999	501.0417749999998	30.0	31.312496	1.312496000000003	20250422_072235UTC_V00OS11.WAV
T	47.631248	325.0	487.5	47.262498	47.999998	0.7374999999999972	20250422_072235UTC_V00OS11.WAV
O	47.625	338.5437249999999	487.502275	47.275	47.975	0.7000000000000028	20250422_072235UTC_V00OS11.WAV